Jigsaw puzzle



FIG. 1 is an assembled perspective view of a jigsaw puzzle showing my new design;

FIG. 2 is an assembled plan view thereof; and,

FIG. 3 is an exploded plan view of the jigsaw puzzle showing its individual pieces.

The light weight vertical lines in the Figures are shading and form no part of the claimed design. 

CLAIM The ornamental design for a jigsaw puzzle, as shown and described. 